The INGEN Pulse Oximeter™ is a very important and common device to check patient blood-oxygen saturation (SpO2) level and pulse rate. As a small, compact, simple, reliable and durable physiological monitoring device, the INGEN Pulse Oximeter™ greatly enhances patient care, and is for Adult and Pediatric patients. This small & lightweight design has a measurement range of 70% - 100%, and requires two AAA batteries. It has a Resolution of 1% with a measurement accuracy 70% - 100%: �3%. Some of the features include a dual color OLED display, display SpO2, PR, Pulse bar and Plethysmogram, 6 display modes, low power consumption, automatically power off, battery-low indicator, adjustable brightness and accommodates widest range of finger sizes from pediatric to adult.